If the circumference of an isosceles triangle is 12, the length of one waist is x, and the length of the bottom edge is y, then the value range of X is y, and the value range of Y is y

2x+y=12
2x>y
2x+y-12=0
2x+y-12>2y-12
The range of 2y-12x > 3Y is 0

RELATED INFORMATIONS

1. The base length of isosceles triangle with perimeter 4 is x, and the waist length is y. find the value range of X Such as the title
2. Given that the length of one side of an isosceles triangle is equal to 5 and the length of the other side is equal to 11, find the perimeter of the isosceles triangle
3. Given that the lengths of the two sides of an isosceles triangle are 5 and 10 respectively, the perimeter of the isosceles triangle is______ ．
4. P7. It is known that if one side of an isosceles triangle is 6 and the other side is 10, its circumference is equal to ()
5. The length of one side of an isosceles triangle is 7, and the length of one side is 9
6. The circumference of an isosceles triangle is 70 cm. The ratio of the length of a waist to the length of its bottom is 3:4. How many cm is the bottom of the triangle?
7. There are four numbers, the first three numbers are equal proportion series, the last three numbers are equal difference series, the sum of the first and last two terms is 21, and the middle two terms If it is a / Q, a, AQ, a (2q-1), how to solve it,
8. Given the relative vertices a (0, - 1) and C (2,5) of square ABCD, the coordinates of vertices B and D are obtained
9. It is proved that (1) B + e is an invertible matrix (2) (B + e) ^ (- 1) = 1 / 2 (a + b)` The second question is (B + e) ^ (- 1) = 1 / 2 (a + e)
10. If matrix AB = 0, then the relation between matrix A and matrix B Determinant a = 0, B = 0,
11. The circumference of isosceles triangle is 10, the waist length is x, and the bottom edge length is y. find the value range of X
12. If the length of each side of an isosceles triangle is 3 and 6, how many centimeters is its circumference
13. If the sides of an isosceles triangle are 3 and 6, the perimeter is
14. If the two sides of an isosceles triangle are 2 and 5, then the perimeter of another isosceles triangle is 2 what
15. The ratio of the two adjacent sides of an isosceles triangle is 2:5. Its circumference is 108 cm. What is the length of its bottom edge?
16. If the lengths of the two sides of the isosceles triangle are 4cm and 2cm respectively, the height of the bottom edge is______ The area is______ ．
17. The three sides a, B, C of the unequal triangle ABC are integers and a & sup2; + B & sup2; - 3a-4b + 13 = 0 to find the value of C a²+b²-6a-4b+13=0 a²-6a+9+b²-4b+4=0 (a-3)²+(b-2)²=0 a=3,b=2 Because the perfect square is nonnegative a-b=1，a+b=5 one
18. The three sides a, B, C of the unequal triangle ABC are integers and a & sup2; + B & sup2; - 4B + 13 = 0
19. It is known that ∠ a = 1 / 2 ∠ B = 1 / 3 ∠ C in △ ABC, and its longest side is 2. The area of this triangle can be obtained
20. It is proved that ABC is an isosceles triangle if its side length is a, B, C, satisfying a & # 178; - BC AB + AC = 0